12340743703652 has 96 divisors (see below), whose sum is σ = 27989392327680. Its totient is φ = 4623386739840.

The previous prime is 12340743703627. The next prime is 12340743703669. The reversal of 12340743703652 is 25630734704321.

It is a junction number, because it is equal to n+sod(n) for n = 12340743703597 and 12340743703606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18392027 + ... + 19051197.

It is an arithmetic number, because the mean of its divisors is an integer number (291556170080).

Almost surely, 2^{12340743703652} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340743703652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13994696163840).

12340743703652 is an abundant number, since it is smaller than the sum of its proper divisors (15648648624028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12340743703652 is a wasteful number, since it uses less digits than its factorization.

12340743703652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661921 (or 661919 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 12340743703652 in words is "twelve trillion, three hundred forty billion, seven hundred forty-three million, seven hundred three thousand, six hundred fifty-two".